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6 Votes
6 Comments
Neutralinos--Candidate for Dark Matter and Lynchpin for Supersymmetry Next on List at LHC
News Type: Event — Seeded on Fri Nov 13, 2009 11:23 AM EST
Article Source: thenational.aeadvertisement
The reason physicists are so excited about the LHC, though, is that the kind of supersymmetry that best solves the problem with the Higgs will become visible at the higher energies the LHC will explore. Similarly, if neutralinos have the right mass to make up dark matter, they should be produced in great numbers at the LHC.
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- Regions: Geneva
- Public Discussion (6)
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4.7
{"commentId":10658133,"authorDomain":"jcatom"}
According to this theory, each fermion is paired with a more massive supersymmetric boson, and each boson with a fermionic supersibling... In essence, the particles we know now are merely the runts of a litter double the size.
...As the universe expanded and cooled, though, this supersymmetry broke down. Partners and superpartners went their separate ways, becoming individual particles with a distinctive mass...One pressing question concerned the present-day whereabouts of supersymmetric particles. If such particles exist, they must be extremely massive indeed, requiring huge amounts of energy to fabricate.
Such huge particles would long since have decayed into a residue of the lightest, stable supersymmetric particles, dubbed neutralinos. When physicists calculated exactly how much of the neutralino residue there should be, they were taken aback. Neutralinos fulfilled all the requirements for the dark matter...
{"commentId":10658133,"threadId":"723573","contentId":"3498067","authorDomain":"jcatom"}
- 4 votes
#1 - Fri Nov 13, 2009 11:25 AM EST{"commentId":10659385,"authorDomain":"nkycarbon"}
I've lost track of time, I didn't realize that we may be within a week of seeing the LHC start up again.
{"commentId":10659385,"threadId":"723573","contentId":"3498067","authorDomain":"nkycarbon"}
- 2 votes
{"commentId":10675524,"authorDomain":"bobnelsonfrance"}
Another excellent seed, JC! Thanks.
{"commentId":10675524,"threadId":"723573","contentId":"3498067","authorDomain":"bobnelsonfrance"}
- 2 votes
#2 - Sat Nov 14, 2009 7:57 AM EST{"commentId":10698405,"authorDomain":"jcatom"}
Np, this is a cool one.
{"commentId":10698405,"threadId":"723573","contentId":"3498067","authorDomain":"jcatom"}
- 2 votes
{"commentId":10712723,"authorDomain":"mars-9l"}
Hopefully another time-traveling bird doesn't F everything up again (lol)... I'd like to see what this baby can do!
{"commentId":10712723,"threadId":"723573","contentId":"3498067","authorDomain":"mars-9l"}
- 2 votes
#3 - Mon Nov 16, 2009 8:33 PM EST{"commentId":10716605,"authorDomain":"Decurion505"}
Resolving the Higgs problem is a biggie. Big as relativity, IMO. If indeed these "neutralinos" are indeed the mysterious dark matter, we may also get some insight on the even more mysterious "dark energy".
{"commentId":10716605,"threadId":"723573","contentId":"3498067","authorDomain":"Decurion505"}
- 1 vote
#4 - Tue Nov 17, 2009 12:12 AM EST{"canLink":false,"threadId":"723573","isPrivate":false}
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